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Question: What is the potential difference across one wire of a 70 m extension cord made of 16 gauge copper wire carrying a current of 9 A at room temperature (20degrees Celsius)?
Show all work and steps to find the potential difference across wire and use additional paper if necessary.
A 4.00-kg mass is connected by a light cord to a 3.0 kg mass on a smooth surface. The pulley rotates about a frictionless axle and has a moment of inertia of 0.50 kg · m2.
When cars are equipped with flexible bumpers, they will bounce off each other during low-speed collisions, thus causing less damage. In one such accident, a 1850car traveling to the right at 1.40 collides with a 1400 car going to the left at 1.10 ..
A black thin-walled cylindrical can, 10.0 cm in diameter and 20.0 cm tall is filled with water at 100°C and suspended in a 20°C room. Determine the initial rate of heat transfer due to radiation
a boxer receives a horizontal blow to the head that topples him over. the force of magnitude 1.35 x 103 n is applied
When cars are equipped with flexible bumpers, they will bounce off each other during low-speed collisions, thus causing less damage. Find the speed of the lighter car just after the collision
A person with mass m1 = 59.0 kg stands at the left end of a uniform beam with mass m2 = 93.0 kg and a length L = 2.9 m. Another person with mass m3 = 68.0 kg stands on the far right end of the beam and holds a medicine ball with mass m4 = 13.0 kg
a particle of mass m starting with an initial velocity v0 is acted on by a force f mkv cv2 where k and c are
q1. a hotel elevator ascends 170 m with a maximum speed of 5.9 ms. its acceleration and deceleration both have the
A hungry 650 -N bear walks out on a beam in an attempt to retrieve some "goodies" hanging at the end, what is the maximum distance the bear can walk before the wire breaks
Calculate Brewster's angle for light incident from diamond into air if the glass has an index of 2.409. Unpolarized light is incident on a series of two Polaroid sheets. The intensity of the light emerging from the second sheet is 27.7% of the intens..
A sports car with a mass of 1000 kg crashes into the rear an SUV with amass of 2400 kg that is stopped at a RED light. The bumpers lock and two cars skid forward a distance of 3 meters before coming to a stop. if the coefficient of kinetic friction i..
A 25.0-g object moving to the right at 16.0 cm/s overtakes and collides elastically with a 9.0-g object moving in the same direction at 15.0 cm/s
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